ANGIOGENESIS OF THE CANINE CONCHA AURICULAE | ||||
| Assiut Veterinary Medical Journal | ||||
| Article 5, Volume 24.1, Issue 47, October 1990, Page 51-62 PDF (3.25 MB) | ||||
| Document Type: Research article | ||||
| DOI: 10.21608/avmj.1990.187472 | ||||
 View on SCiNiTO | ||||
| Author | ||||
| M.N.K. MOUSTAFA | ||||
| Abstract | ||||
| The morphogenesis of the vascular elements in the auricle of the external ear of 25 dogs foetuses (Egyptian land-race), ranging from 130-240 mm crown-to-rump (CVR) length was studied. The vasculature of the Concha auriculae was represented by 5 to 6 primit ive arterial branches and two large veins in foetuses of 130 mm CVR length. In foetuses ranging from 150-180 mm CVR length, the Concha auriculae demonstrated well differentiated three arterial branches. Only the caudal one was accompanied by a satellite vein along side the caudal border of the ear. On reaching 230 mm CVR length, the V. helicis oralis was observed to approach the corresponding border of the ear where it was accompanied by A. auricularis oralis, otherwise the vascular architecture of the auricular concha during this stage (full-term foetus) presented quantitative more than qualitative changes. | ||||
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